president obama campaigned on raising taxes on income over $250,000. while many congressional republicans have pushed back against any tax increases. president obama is placing the blame for the impasse on the gop. >> they say that their biggest priority is making sure we deal with the deficit in a serious way. but the way they're behaving is that their only provide or the is making sure that tax breaks for the wealthiest americans are protected. >> reporter: but senators say there is some movement on the issue. >> there's a lot of give and take going on right now. but republicans don't want to see new revenues -- in other words, democrat tax increases -- being used for new spending. >> reporter: the president has said if there is no deal by the end of the day, the senate should draw up legislation to extend the bush-era tax cuts for the middle class. >> there should be an up-or- down vote. everybody have should a right to vote on that. if republicans don't like it, they can vote no. but i actually think there's a majority support for making sure that